<mat-sidenav-container class="sidenav-container">
  <mat-sidenav #drawer class="sidenav" fixedInViewport="true" [opened]="false">
    <mat-toolbar>Menu</mat-toolbar>
    <mat-nav-list>
      <a mat-list-item (click)="ImportImage()">Import image</a>
    </mat-nav-list>
  </mat-sidenav>
  <mat-sidenav-content>
    <mat-toolbar color="primary">
      <button type="button" aria-label="Toggle sidenav" mat-icon-button (click)="drawer.toggle()">
        <mat-icon aria-label="Side nav toggle icon">menu</mat-icon>
      </button>
      <span>Advanced TypeScript</span>
    </mat-toolbar>
    <atp-page-body></atp-page-body>
  </mat-sidenav-content>
</mat-sidenav-container>